<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title> User Home</title>
</head>
<body>
<h2 >HOme</h2>

<h3>
{% if username %}
{{ username }}
{%  endif  %}

</h3>

<h3> <a href="/logout"> 退出</a> </h3>
</body>

<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</html>
